package/usbutils: needs gcc >= 4.9

Commit 8a26801c9fad1c7749200e22e9dfdeaeeb65f76e forgot to propagate the
gcc dependency from libusb to usbutils

Fixes:
 - http://autobuild.buildroot.org/results/ed8706a1ead398b5097b046524e710b1d3d0bb1e

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/usbutils/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_USBUTILS
 	bool "usbutils"
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libusb
 	depends on BR2_PACKAGE_HAS_UDEV # needs hwdb
 	select BR2_PACKAGE_LIBUSB
 	help
@@ -8,5 +9,7 @@ config BR2_PACKAGE_USBUTILS
 
 	  http://linux-usb.sourceforge.net/
 
-comment "usbutils needs udev /dev management and toolchain w/ threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_PACKAGE_HAS_UDEV
+comment "usbutils needs udev /dev management and toolchain w/ threads, gcc >= 4.9"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_PACKAGE_HAS_UDEV || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9